Cover for wireless signal boxes



FIG. 1 is a front perspective view of a cover for wireless signal boxes;

FIG. 2 is a rear perspective view of the cover for wireless signal boxes of FIG. 1;

FIG. 3 is a front view of the cover for wireless signal boxes of FIG. 1;

FIG. 4 is a rear view of the cover for wireless signal boxes of FIG. 1;

FIG. 5 is a short side or end view of the cover for wireless signal boxes of FIG. 1; and,

FIG. 6 is a long side view of the cover for wireless signal boxes of FIG. 1. 

CLAIM The ornamental design for a cover for wireless signal boxes, as shown and described. 